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Finding the Third Proportional to 117,065,960 and 252,112,336

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Solution

The third proportional to 117,065,960 and 252,112,336 is: 542,947,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065,960 : 252,112,336 = 252,112,336 : x
  2. Step 2: Convert to fraction form
    117,065,960/252,112,336 = 252,112,336/x
  3. Step 3: Cross multiply
    117,065,960x = 252,112,336 × 252,112,336
  4. Step 4: Simplify right side
    117,065,960x = 63,560,629,963,376,896
  5. Step 5: Solve for x
    x = 63,560,629,963,376,896/117,065,960
  6. Step 6: Final answer
    x = 542,947,155.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.